Inside Out Library

The boy engineers; (1880)

Lukin, James. [from old catalog] · New York, G. P. Putnam's sons · leaf 39

An illustration from The boy engineers;, 1880, leaf 39
cess the cavities of bullet moulds, beings madeof hard steel, and channelled so as to have many cuttingedges. Our friend kindly lent us a drawing of one of thesenative drill-stocks, which, however, was lost with someother mechanical sketches. The writer has had the good fortune to find…

Handicraft · Steam-engines

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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